46428018 has 96 divisors (see below), whose sum is σ = 119181312. Its totient is φ = 11793600.

The previous prime is 46427993. The next prime is 46428023. The reversal of 46428018 is 81082464.

It is a self number, because there is not a number n which added to its sum of digits gives 46428018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219933 + ... + 220143.

It is an arithmetic number, because the mean of its divisors is an integer number (1241472).

Almost surely, 2^46428018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46428018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59590656).

46428018 is an abundant number, since it is smaller than the sum of its proper divisors (72753294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46428018 is a wasteful number, since it uses less digits than its factorization.

46428018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 46428018 is about 6813.8108280169. The cubic root of 46428018 is about 359.4126688480.

It can be divided in two parts, 464 and 28018, that added together give a palindrome (28482).

The spelling of 46428018 in words is "forty-six million, four hundred twenty-eight thousand, eighteen".